Map of explorations and surveys in New Mexico and Utah made under the direction of the Secretary of War by Capt. J. N. Macomb, Topl. Engrs., assisted by C. H. Dimmock, C. Engr., 1860. Von Egloffstein, Baron F.W. (constructed and engraved by, Geographical Institute, No. 164, Broadway, New York, 1864, topographer to the surveys under the 35th and 38th parallels, Fremont's, Beckwith's, and Ives' expeditions)
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